*{outline: none;}
.wrapper{
    height: 100%;
    overflow: hidden;
    padding-top: 144px;
    min-width: 1000px;
    box-sizing: border-box;
    transition:all 1s;
    -moz-transition:all 1s; /* Firefox 4 */
    -webkit-transition:all 1s; /* Safari and Chrome */
    -o-transition:all 1s; /* Opera */
}
.wrapper.on{
    padding-top: 76px;
}
.main-div{
    height: 100%;
    overflow: auto;
}
.loading-div{
    width: 100%;
    height: 100%;
    min-height: 200px;
    background-image: url("../../images/teacher/loading.gif");
    background-size: 100px 100px;
    background-position: center center;
    background-repeat: no-repeat;
}
/* 修改前 */
.container{
    margin: 0 auto;
    max-width: 1280px;
    min-width: 1000px;
    min-height: calc(100% - 36px);
}

.left-div {
    position: fixed;
    left: 50%;
    margin-left: -640px;
    width: 253px;
    height: calc(100% - 200px);
    overflow: hidden;
    box-sizing: border-box;
    box-shadow: 0px 0px 13px 0px rgba(0, 0, 0, 0.07);
}
.right-div{
    width: 100%;
    min-height: calc(100% - 36px);
    box-sizing: border-box;
    padding-bottom: 20px;
    float: none;
    margin: 0;
}
.clear-fix{
    clear:both;
}
.ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/*一级头部开始*/
.header{
    height: 66px;
    line-height: 66px;
    box-sizing: border-box;
    background-color: #293443;
    width: 100%;
    min-width: 1000px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1000;
    transition:height 1s;
    -moz-transition: height 1s, -moz-transform 1s; /* Firefox 4 */
    -webkit-transition: height 1s, -webkit-transform 1s; /* Safari and Chrome */
    -o-transition:height 1s, -o-transform 1s; /* Opera */
    cursor: pointer;
}
.header .content{
    margin: 0 auto;
    max-width: 1280px;
    min-width: 1000px;
    position: relative;
    text-align: right;
    padding: 0 14px;
    box-sizing: border-box;
}
.header .content .logo{
    width: 103px;
    height: 66px;
    background: url("../../images/teacher/UClass.png") center left no-repeat;
    background-size: 69px 49px;
    float: left;
}
.header .content .menu,.header .content .menu ul{
    height: 66px;
}
.header .content .menu li,.header .content .menu li a{
    width: 50px;
    height: 66px;
    display: inline-block;
    text-align: center;
}
.header .content .menu li.home{
    background: url("../../images/teacher/top_index_icon.png") center no-repeat;
    background-size: 21px 19px;
}
.header .content .menu li.new{
    background: url("../../images/teacher/top_new_icon.png") center no-repeat;
    background-size: 19px 16px;
    position: relative;
}
.header .content .menu li.help{
    background: url("../../images/teacher/top_help.png") center no-repeat;
    background-size: 21px 20px;
}
.header .content .menu li.new i{
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    font-size: 10px;
    color: #ffffff;
    background-color: #f3873a;
    border-radius: 50%;
    position: absolute;
    top: 11px;
    right: 4px;
}
.header .content .account{
    margin-left: 25px;
    margin-right: 14px;
    text-align: right;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -ms-user-select: none;
}

.header .content .language{
    margin-right: -10px;
    text-align: right;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -ms-user-select: none;
    position: relative;
}


.header .content .account .picture{
    width: 35px;
    height: 66px;
}
.header .content .account .picture img{
    height: 35px;
    width: 35px;
    vertical-align: middle;
    border-radius: 50%;
}
.header .content .account .teacher, .header .content .language .language-logo{
    font-size: 16px;
    color: #ffffff;
    width: 82px;
    height: 66px;
    text-align: center;
}
.header .content .language .language-logo{
    width: 36px;
}
.header .content .language .language-logo i{
    border: 1px solid #03BBB5;
    border-radius: 50%;
    color: #03BBB5;
    padding: 2px 4px;
    font-size: 15px;
}
.header .content .account .icon{
    width: 12px;
    height: 66px;
    background: url("../../images/teacher/top_xl1_icon.png") center no-repeat;
    background-size: 12px 8px;
}
.header .content .account .menu-bd, .header .content .language .menu-bd{
    background-color: #353e4e;
    width: 126px;
    z-index: 1000;
    position: absolute;
    opacity: 0.95;
    height: 0;
    overflow: hidden;
    transition: all .2s linear;
}
.header .content .language .menu-bd{
    width: 80px;
    right: -24px;
}
.header .content .language .menu-bd>li.on{
    color: #35C2BE;
}
.header .content .account:hover .menu-bd{
    height: 138px;
}
.header .content .language:hover .menu-bd{
    height: 130px;
}
.header .content .account .menu-bd li, .header .content .language .menu-bd li{
    line-height: 1;
    margin-top: 24px;
    text-align: center;
    font-size: 14px;
    color: #ffffff;
}
.header .content .account .menu-bd li:last-child, .header .content .language .menu-bd li:last-child{
    margin-bottom: 24px;
}
.header .content .account .menu-bd li:hover, .header .content .language .menu-bd li:hover{
    color: #34c2bd;
}
.header .content .header-tip{
    width: 258px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    color: #ffffff;
    text-align: left;
    padding-left: 15px;
    box-sizing: border-box;
    border-radius: 5px;
    background-color: #f2883a;
    position: absolute;
    right: 0;
    top: 60px;
    z-index: 1;
    display: none;
}
.header .content .header-tip .triangle{
    border: 6px solid #f2883a;
    border-color: transparent transparent #f2883a transparent;
    position: absolute;
    right: 134px;
    top: -12px;
}
.header .content .header-tip .del{
    position: absolute;
    top: 11px;
    right: 14px;
    width: 17px;
    height: 17px;
    background: url("../../images/teacher/index_del1_icon.png");
    background-size: 17px;
    cursor: pointer;
}
.header.on{
    height: 18px;
}
.header.on .content{
    display: none;
}
/*一级头部结束*/
/*二级头部开始*/
.head-menu{
    height: 58px;
    line-height: 58px;
    width: 100%;
    text-align: center;
    padding: 0 14px;
    box-sizing: border-box;
    position: absolute;
    top: 66px;
    left: 0;
    z-index: 999;
    transition:top 1s;
    -moz-transition: top 1s, -moz-transform 1s; /* Firefox 4 */
    -webkit-transition: top 1s, -webkit-transform 1s; /* Safari and Chrome */
    -o-transition:top 1s, -o-transform 1s; /* Opera */
    cursor: pointer;
    box-shadow: 0px 0px 13px 0px rgba(0, 0, 0, 0.07);
}
.head-menu .head-container{
    position: relative;
    margin: 0 auto;
    max-width: 1280px;
    min-width: 1000px;
}
.breadcrumb{
    position: absolute;
    left: 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -ms-user-select: none;
    font-size: 0;
}
.breadcrumb>li{
    display: inline-block;
    vertical-align: top;
    cursor: pointer;
    font-size: 14px;
    color: #646e84;
    margin-right: 20px;
    background: url("../../images/teacher/kq_right_icon.png") right center no-repeat;
    background-size: 7px 12px;
    padding-right: 17px;
    max-width: 100px;
}
.breadcrumb>li:last-child{
    color: #909090;
    position: relative;
    margin-right: 0;
    background: none;
    padding-right: 0;
}
.breadcrumb>li:last-child .slide-content{
    /*left: 0;*/
    /*top: 46px;*/
    left: -10px;
    top: 52px;
}
.breadcrumb>li:last-child .slide-content li{
    text-align: left;
    padding: 0 10px;
    box-sizing: border-box;
    font-size: 14px;
}
.breadcrumb .arrow-down{
    display: inline-block;
    width: 10px;
    height: 58px;
    background: url("../../images/teacher/top_xl1_icon.png") center no-repeat;
    background-size: 10px 5px;
    margin-left: 9px;
}
.head-menu .box{
    line-height: 56px;
    width: 80px;
    box-sizing: border-box;
    font-size: 18px;
    color: #909090;
    margin-right: 106px;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -ms-user-select: none;
    text-align: center;
}
.head-menu .box.on{
    color: #34c2bd;
    border-bottom: 3px solid #34c2bd;
}
.head-menu .box.on a{
    color: #34c2bd;
}
.head-menu .box a{
    display: block;
}
.head-menu .box:last-child{
    margin-right: 0;
}
.head-menu.on{
    top:18px;
    opacity: 0.8;
}
/*二级头部结束*/
/*底部开始*/
.footer{
    font-size: 14px;
    color: #909090;
    text-align: center;
    width: 100%;
    height: 36px;
    line-height: 36px;
    /*margin-bottom: -36px;*/
}
.footer span{
    margin-left: 20px;
}
/*底部结束*/
/*添加弹窗皮肤*/
.smart-add-dlg .ui-dialog-close{
    font-size: 0;
    width: 22px;
    height: 72px;
    box-sizing: border-box;
    background: url(../../images/teacher/tk_del_icon.png) center no-repeat;
    background-size: 22px 23px;
    float: right;
    cursor: pointer;
    opacity: 1;
    position: absolute;
    top: 0;
    right: 20px;
}
.smart-add-dlg .ui-dialog-header{
    border: none;
}
.smart-add-dlg .ui-dialog-title{
    padding: 0 0 0 30px;
    width: 100%;
    box-sizing: border-box;
    height: 72px;
    line-height: 72px;
    background-color: #34c2bd;
    font-size: 22px;
    font-weight: normal;
    color: #ffffff;
}
.smart-add-dlg .ui-dialog-body{
    padding: 0;
}
.smart-add-dlg .ui-dialog-footer{
    padding: 30px 0;
}
.smart-add-dlg .ui-dialog-button{
    width: 100%;
    text-align: center;
}
.smart-add-dlg .ui-dialog-footer button{
    width: 128px;
    height: 32px;
    line-height: 32px;
    box-sizing: border-box;
    display: inline-block;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -ms-user-select: none;
    font-size: 14px;
    padding: 0;
    text-align: center;
    border: 1px solid #d5d7dc;
    margin-right: 14px;
    border-radius: 2px;
    outline: none;
}
.smart-add-dlg .ui-dialog-footer button:hover{
    background-color: #ffffff;
    border-color: #d5d7dc;
}
.smart-add-dlg .ui-dialog-footer button.ui-dialog-autofocus{
    background-color: #34c2bd !important;
    margin: 0;
    color: #ffffff;
    border: none;
}
/*添加弹窗皮肤 结束*/

/*删除弹窗皮肤（dialog） start */
.delete-dlg{
    height: 174px;
    width: 343px;
    box-sizing: border-box;
    border-radius: 5px;
    border: none;
}
.delete-dlg .ui-dialog-grid{
    height: 100%;
    width: 100%;
}
.delete-dlg .ui-dialog-grid tbody tr:first-child{
    display: none;
}
.delete-dlg .ui-dialog-body{
    font-size: 22px;
    color: #676f81;
    height: 22px;
    line-height: 22px;
    padding: 42px 0 38px 0;
}
.delete-dlg .ui-dialog-footer{
    padding: 0;
}
.delete-dlg .ui-dialog-button{
    width: 100%;
    font-size: 0;
    text-align: center;
}
.delete-dlg .ui-dialog-footer button{
    width: 86px;
    height: 32px;
    line-height: 32px;
    box-sizing: border-box;
    display: inline-block;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -ms-user-select: none;
    font-size: 14px;
    outline: none;
    border: none;
    border-radius: unset;
    padding: 0;
    background: url("../../images/btn_white_86_32_n.png") center no-repeat;
    background-size: 86px 32px;
    color: #4bcaca;
    margin-left: 0;
    margin-right: 36px;
}
.delete-dlg .ui-dialog-footer button:hover{
    background-color: #ffffff;
    border-color: #34c2bd;
    color: #34c2bd;
}
.delete-dlg .ui-dialog-footer button.ui-dialog-autofocus{
    background: url("../../images/btn_green_86_32_n.png") center no-repeat;
    margin-right: 0;
    color: #ffffff;
}
/*删除弹窗皮肤（dialog） end */

/*展开下拉框 开始*/
.slide-content {
    width: 120px;
    position: absolute;
    background: #fff;
    top: 28px;
    right: -5px;
    border-radius: 2px;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -ms-user-select: none;
    border: 1px solid #e1e1e1;
    z-index: 1;
}
.slide-content li{
    font-size: 16px;
    color: #333333;
    text-align: center;
    line-height: 40px;
    box-sizing: border-box;
    border-bottom: 1px solid #e1e1e1;
    width: 100%;
    float: left;
}
.slide-content li:hover{
    color: #34c2bd;
}
.slide-content li:last-child{
    border-bottom: 0;
}
/*展开下拉框 结束*/

/*fix-div样式 开始*/
.fix-div{
    position: fixed;
    bottom: 56px;
    width: 60px;
    left: 50%;
    margin-left: 650px;
}
.fix-div button{
    width: 60px;
    height: 60px;
    line-height: 60px;
    text-align: center;
}
.fix-div .download{
    margin-bottom: 20px;
    background: url("../../images/teacher/download1.png") center no-repeat;
    background-size: 60px;
}
.fix-div .download:hover{
    background: url("../../images/teacher/download.png") center no-repeat;
}
.fix-div .top{
    background: url("../../images/teacher/top.png") center no-repeat;
    background-size: 60px;
}
.fix-div .top:hover{
    background: url("../../images/teacher/top2.png") center no-repeat;
}
/*fix-div样式 结束*/
/*锚点开始*/
.anchors{
    /*min-width: 112px;*/
    width: 112px;
    max-width: 200px;
    position: fixed;
    top: 146px;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -ms-user-select: none;
    overflow: auto;
    /*height: 387px;*/
    z-index: 10;
}
.anchors .nav>li{
    min-height: 43px;
    line-height: 43px;
    box-sizing: border-box;
    border-bottom: 1px solid #f2f2f2;
    font-size: 16px;
    color: #909090;
    /*padding: 0 14px;*/
}
.anchors .nav>li span{
    padding: 0 14px;
    display: block;
}
.anchors .nav li.item.on{
    /* background-color: #34c2bd; */
}
.anchors .nav li.item.on a{
    /* color: #fff !important; */
}
.anchors .nav li>a{
    color:#909090;
}
.anchors .nav>li:hover .nav-second a{
    color: #b4b4b4;
}
.anchors .nav li:hover>a,.anchors .nav #goCourseFile:hover{
    color: #34c2bd;
    /*opacity: .7;*/
}
.anchors .nav-second li:hover>a{
    color: #34c2bd !important;
}
.anchors .nav>li:last-child{
    border-bottom: none;
}
.anchors .nav-second{
    border-top: 1px solid #f2f2f2;
    padding: 6px 0;
}
.anchors .nav-second>li{
    line-height: 26px;
    height: 26px;
    font-size: 14px;
    color: #909090;
    padding-left: 14px;
    width: auto;
}
.anchors .nav-second>li span{
    padding-left: 18px;
}
.anchors .nav-second>li:hover span{
    color: #34c2bd;
    background: url("../../images/teacher/dw_icon.png") left center no-repeat;
    background-size: 12px;
    padding-left: 18px;
}
.anchors .report-content{
    border-top: 1px solid #f2f2f2;
    padding: 6px 0 6px 10px;
}
.anchors .report-content>li{
    font-size: 14px;
    line-height: 26px;
}
.anchors .report-content .nav-second{
    border-top: none;
    padding: 0;
}
.anchors .report-content .nav-second>li{
    padding-left: 0;
}
.anchors .report-content .nav-second>li>span{
    padding-left: 30px;
    font-size: 12px;
}
.anchors .report-content  .nav-second>li:hover span{
    background-position: left 10px center;
}
.anchors li:hover>span{
    color:#34c2bd;
}
/*锚点结束*/

.ui-dialog-content{
    text-align: center;
}

/*滚动条样式*/
.nicescroll-cursors{
    background-color: #e9eaec !important;
}


.upload-panel{
    background-color: rgba(0,0,0,0.5);
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 9999;
    display: none;
    top: 0;
    left: 0;
}

/** 上传进度条 */
.upload-panel .upload-bar-box{
    position: absolute;
    left: 50%;
    top: 50%;
    width: 300px;
    height: 40px;
    margin: -20px 0 0 -150px;
    border-radius: 20px;
    border: 3px solid #34c2bd;
    padding: 3px;
    box-sizing: border-box;
}
.upload-panel .upload-bar{
    width: 100%;
    height: 100%;
    float: left;
    background-color: #34c2bd;
    border-radius: 14px;
    opacity: .8;
}
.upload-panel .upload-bar-rate{
    position: absolute;
    left: 50%;
    top: 0;
    height: 100%;
    width: 100px;
    text-align: center;
    color: #fefefe;
    font-size: 15px;
    line-height: 40px;
    margin-left: -50px;
}



.content .item .box-top.red { /*红1*/
    background-image: url("../../images/teacher/1.png");
}
.content .item .box-top.blue { /*蓝2*/
    background-image: url("../../images/teacher/2.png");
}
.content .item .box-top.yellow{ /*黄3*/
    background-image: url("../../images/teacher/3.png");
}
.content .item .box-top.green { /*绿4*/
    background-image: url("../../images/teacher/4.png");
}
.content .item .box-top.purple{ /*紫5*/
    background-image: url("../../images/teacher/5.png");
}
.content .item .box-top.cyan{ /*青色6*/
    background-image: url("../../images/teacher/6.png");
}
.content .item .box-top.lightCyan{ /*灰色7*/
    background-image: url("../../images/teacher/7.png");
}
.content .item .box-top.pink{ /*粉色8*/
    background-image: url("../../images/teacher/8.png");
}




@media screen and (max-width: 1530px) {
    .fix-div{
        margin-left: 510px;
    }
}

/*题目新样式*/
.question-list .question{
    min-height: 208px;
    background-color: #f7f7f7;
    margin-bottom: 20px;
    position: relative;
    padding: 20px 45px 20px 24px;
    box-sizing: border-box;
}
.question-type{
    font-size: 18px;
    color: #808080;
    height: 30px;
    line-height: 30px;
}
.question-content {
    font-size: 16px;
    color: #333333;
    line-height: 28px;
    margin-top: 10px;
    text-align: justify;
    word-break: break-all;
}
.question-content p{
    white-space: pre-wrap;
}
.question-option{
    line-height: 1;
    margin-top: 20px;
    /*min-height: 42px;*/
}
.question-option .item{
    margin-bottom: 14px;
    position: relative;
    padding-left: 35px;
}
.question-option .item .option-number{
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    border-radius: 2px;
    background-color: #d3d4f5;
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 15px;
}
.question-option .item .bg-grey{
    display: flex;
    min-height: 50px;
}
.question-option .item .item-content{
    white-space: pre-wrap;
    line-height: 26px;
    font-size: 16px;
    color: #333;
    padding: 15px 27px 15px 15px;
    width: calc(100% - 140px);
    word-break: break-all;
}
.question-option .item .item-img{
    padding: 5px;
    box-sizing: border-box;
    align-self: center;
}
.question-option .item .item-img a{
    height: 90px;
    width: 90px;
    display: inline-block;
    vertical-align: middle;
}
.question-option .item img{
    height: 90px;
    width: 90px;
    border: 1px solid #e1e1e1;
    box-sizing: border-box;
}
.question-option .less{
    display: inline-block;
    vertical-align: top;
    width: 25%;
    box-sizing: border-box;
    /* margin-bottom: 0; 这里为啥设为0?*/
    min-height: 20px;
}
.question-option .less .option-number{
    top: 0;
}
.question-option .less .bg-grey{
    background-color: #f7f7f7;
    display: inline-block;
    min-height: auto;
}
.question-option .less .item-content {
    line-height: 20px;
    display: block;
    padding: 0;
    width: 100%;
    white-space: pre-wrap;
}
.question-option .less .item-img{
    padding: 0;
    float: none;
}
.question-option .less .item-img.top{
    margin-top: 10px;
}
.question-option span:last-child{
    margin-right: 0;
}
.question-answer{
    margin-top: 20px;
    font-size: 16px;
    color: #333333;
    line-height: 1;
}
.question-answer em{
    margin-right: 20px;
}
.question-file-list .question-file{
    width: 158px;
    margin-right: 20px;
    position: relative;
    text-align: center;
    margin-top: 20px;
    
    width: 48%;
    height: 100px;
    display: inline-block;
    margin-left: 0.5%;
    margin-right: 1.5%;
}
.question-file-list .question-file .question-file-name{
    font-size: 16px;
    color: #323232;
    line-height: 22px;
    max-height: 44px;
    overflow: hidden;
    margin-top: 8px;
    /*margin-top: 15px;*/
}
.question-file-list .question-file a{
    width:48px;
    height:55px;
    background-repeat: no-repeat;
    background-size: 48px 55px;
    background-position: center;
    position: relative;
}
.question-file-list a img{
    width:48px;
    height:55px;
    object-fit: cover;
    border: 1px solid #e1e1e1;
    box-sizing: border-box;
    cursor: pointer;
}
.question-file-list a .delImg{
    width: 16px;
    height: 16px;
    background: url("../../images/teacher/file_del_icon.png") center no-repeat;
    background-size: 16px;
    position: absolute;
    left: -5px;
    top: -5px;
    cursor: pointer;
}
.doc{
    background-image: url("../../images/teacher/file_word_icon.png");
}
.excel{
    background-image: url("../../images/teacher/file_excel_icon.png");
}
.video{
    background-image: url("../../images/teacher/kc_sp_icon.png");
}
.mp3{
    background: url("../../images/teacher/yp_icon.png") center no-repeat;
    background-size: 48px 55px;
}
.mp4{
    background: url("../../images/teacher/kc_sp_icon.png") center no-repeat;
    background-size: 48px 55px;
}
.url{
    background: url("../../images/teacher/ico_ url.png") center no-repeat;
    background-size: 48px 55px;
}
.pdf{
    background-image: url("../../images/teacher/file_pdf_icon.png");
}
.ppt{
    background-image: url("../../images/teacher/file_ppt_icon.png");
}
.txt{
    background-image: url("../../images/teacher/file_wd_icon.png");
}
/*返回上一页按钮样式*/
.main-div .tag{
    margin-bottom: 20px;
    height: 22px;
    line-height: 22px;
}
.main-div .tag button{
    height: 22px;
    line-height: 19.5px;
    box-sizing: border-box;
    font-size: 12px;
    color: #909090;
    border: 1px solid #909090;
    padding-left: 15px;
    padding-right: 5px;
    border-radius: 11px;
    background-color: #f2f2f2;
    background-image: url(../../images/teacher/mbx_back_icon.png);
    background-position: left 5px center;
    background-repeat: no-repeat;
    background-size: 5px 8px;
    vertical-align: top;
}


/*图片放大*/
.cover{
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.6);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1100;
    cursor: pointer;
    display: none;
}
.cover .big-img img{
    position: absolute;
    top:50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    height: auto;
    max-width: 80%;
    max-height: 80%;
}
.cover .prev{
    width: 128px;
    height: 128px;
    background-image: url(../../images/teacher/prev.png);
    background-repeat: no-repeat;
    background-size: 128px 128px;
    position: absolute;
    left: 0;
    top:40%;
}
.cover .next{
    width: 128px;
    height: 128px;
    background-image: url(../../images/teacher/next.png);
    background-repeat: no-repeat;
    background-size: 128px 128px;
    position: absolute;
    right: 0;
    top:40%;
}
.cover .next:hover, .cover .prev:hover{
    background-color:#C3C6CE;
}

/*预览图片*/
.img-box{
    padding: 30px 0 30px 30px;
    box-sizing: border-box;
}
.img-box .img-cover{
    max-width: 800px;
    max-height: 550px;
    margin-right: 10px;
    min-width: 200px;
    min-height: 100px;
}
.img-box img{
    max-width:740px;
    width: 100%;
    height: auto;
}


/*时间控件*/
.laydate-time-list>li{
    width: 50% !important;
}
.laydate-time-list>li:last-child{
    display: none;
}
.laydate-prev-y{
    width: 16px;
    height: 33px;
    background: url("../../images/teacher/arrow_left2.png") center no-repeat;
    background-size: 32px;
    font-size: 0 !important;
}
.laydate-next-y{
    width: 16px;
    height: 33px;
    background: url("../../images/teacher/arrow-right2.png") center no-repeat;
    background-size: 32px;
    font-size: 0 !important;
}

.img-box .prev{
    position: absolute;
    width: 18px;
    height: 18px;
    background: url(../../images/teacher/kq_zh1_icon.png) center no-repeat;
    background-size: 18px;
    left: 0;
    z-index: 999;
}

.img-box .next{
    position: absolute;
    width: 18px;
    height: 18px;
    background: url(../../images/teacher/kq_yh1_icon.png) center no-repeat;
    background-size: 18px;
    right: 0;
    z-index: 999;
}

.radioBox{
    width: 540px;
    height: 400px;
    box-sizing: border-box;
    text-align: center;
}
.radioBox div{
    display: inline-block;
}
.radioBox p{
    padding-bottom: 10px;
    font-size: 16px;
    text-align: left;
}
.radioBox .secondEle{
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    padding-left: 0;
}
.radioBox .head{
    color: #f3873a;
    font-size: 26px;
    font-weight: 600;
    padding-top: 240px;
    text-align: center;
    padding-left: 0px;
    background: url(../../images/teacher/ratioSign.jpg) top center no-repeat;
    background-size: 250px;
}
.radioBox .noRemind{
    text-align: center;
    font-size: 10px;
    padding-left: 0;
}

::-moz-placeholder{
    font-weight: 400;
    font-family: Arial;
}
:-ms-input-placeholder{
    font-weight: 400;
    font-family: Arial;
}
::-webkit-input-placeholder{
    font-weight: 400;
    font-family: Arial;
}